Speed governor for self-feeders



N. FL MMSE.

SPEED GOVERNGH ma SELF FEEDERS.

APPLICATION' FILED NNE 21': 1920.

manie@ mi@ 15,11%?

UNITED STATES/'f ArNT OFFICL Ivars/mirn.y NRAUSE, or RACINE, wIscoNSIN, asSIeNoR 'ro J. I.

i MACHINE COMPANY, or RACINE, WISCONSIN, A CORPORATION.

y SPEED GovEaNoza ron SELF-FEEDERS. i

To all wlw-m t may concern.' r

Beit known that I, NORMAN R, Knauer,

a citizen of theUnited States, residing at Racine, in the countyof Racine and State offWis'consin, have invented certain new and useful Improvements in Speed Governors for Self-Feeders, of which the following is a specification.

My invention frelates to improvements 'in speed governors especially adapted foruse in connection with threshing machine feeders, and` is so constructed and arranged that when conditions require during ythe feeding of .materia-Ito the feeder, thecrank-shaft carrying the cutter-bars, which latter co-4 operate with: feeding mechanisms driven `by, said shaft, will be rotated independently of the straw conveyer usuallypresentl in such feeders; in other words,v whensuchlatter device is caused to ceaseoperation, usually through overfeeding of material or lack of speed,my improved governor will continue operating the cutter-bars v and 'feeding mechanisms c'oactingtherewith sov long as any rvdegree of speed is supplied from the source of power, and-A when lthe requisite;

speedris attained which is necessary to Operate both the -cutter-bars, vfeeding mechanisms, conveyer and any othermechanisms which'cooperate to yperform the l work of feeding material, said governor will become automatically adjusted to inliuence the driving and'driven elementsv of such mechanisms and impart a synchronous motion to all the interconnecting elements-assembled for the purposes stated.- A i i I n theaccompanying drawing, forming a part hereof, :Figure 1 isa side elevation of Inylimproved governor and parts Vassociated therewith; Fig. 2, a 'longitudinal sectional view ofA the same showing the feeder body in fragment, and Fig.n 3-is a detail view of parts of said governor.

.fIn said drawings the portions marked, V5, indicate the walls of the feeder .through whichy ay crank-shaft, 6, extends, and `upon which cutter-bars (not shown) of any suitable construction are mounted.. Upon ,the erichofsaid crank-shaft 6l Imount a wheely or.' pulley, @provided with,` studs, V8, 9, uponA which arms, 10,11, are pivotally secured, sailwarmsbeing, provided lwith weights, as 121Tof'said'rarms 10 and-.71,1 I r4,attach links, 13,214,4at 15,16, and which are connected at, .17, "18, toma disk, 28,llinkl3being conaeead'by @tension rod, ,19, .te aretainenzo,

on the pulley. Said systemv of swingingy OASE THRESIIING' Specification of Iiettrslatent. Paingnted ,Align ,15931922.52 Appneation ined 51111621., 1920. yserial No. 390,524. 1

weighted arms, as will be understood, is.

for controlling the action of disk 28 against cam, 25, the centrifugal motion' vof said said disk 28'to b3 Conta with disk, 84, to be' driven.

.-Said pulley f7 is `providedwith a hub, 22,1l aiange, 23, 1n which hub shaft 6 is fiang'e23 vI secure," as

contacted by said disk 28, the disk 34 hav-` ing a hub extension, 35, terminating jin" a gear, 36, or other driving element. Shaft:

6, it .will be -vobserved in Fig; 2, is increased. m diameteror offset at the point' marked, 38, -thus forming a yshoulder yor thrust' against ywhich flange 31 of v'stud 3 0 abrite, and, therefore, is prevented from inward `Weights as they-move outwardly actuating climb upon cam `25 and there-f' v movement along shaft 6. `When said ,disks f and .associated parts are assembled it will be seenthat .they become interlocked upon shaft 6 between said shoulder 38 and pulley 7 Vand in constant alignment, and by such arrangement I am enabledto readily and positively assemble said parts.-

i Beneath shaft 6 in'v a 'suitable bearing, 40, l

I mount a stud-shaft, 41, Auponjwhich ya sprocket, 42, is secured by a'pin, 43, and at the outer endv of said studshaft agear, 44is provided which is aligned with" gear 36, and is driven thereby through the driving of said disk 28 as will be understood, ingv motion to saidsprocket 42 which in turn is connected by chain, 46, to a sprocket, 47, on feeding-pan Ashaft,48, and actuates the same, aV conveyer-shaft, 49,v being driven by mechanisms at Athe Opposite side of the thus 'impartfeeder communicatingwith shaftf6. IThis 1 arrangement lof gearing isy for actuating mechanismy ofa feederofpreferred form, but it will be understood that instead of gear 36 carriedby the disk 34, I'mayAv employ a pulley or sprocket and connect the .same to an element to be driven and entirely omit the intermediate countershaft 4l and mech-v anisms associated therewith. A H I preferito housefsaid gears 36,44, an sprocket i42 and. therefore, provide the housing, 505 ,Which is an extension for the bearing of shaft 6, having a liange, 51, covering gears 36, 44, and having lower member, v40, terminating in curved raised formation, 52, extendingover sprocket 42 for protecting thesame, chain 48 being held by a guide, 58, of any suitable character.

In operation, the wheel 7 is preferably driven from the threshing machine cylinder, and, as said wheel rotates, carries with it shaft 6. The weight arms 10, 11, also rotate with said wheel, carrying with them disk 28. 1When suflicient speed has been attained the centrifugal force of the arms overcomes the tension of spring 55, thereby causing the weights to move outwardly toward the rim of wheel 7, and as these weight armsy move outwardly they impart a slight rotary movement to disk 28 through links 13, 14. This yrotary movement of disk 28 causes the hub 29 to climb upon cam 26, whichdisk in turn moves longitudinally upon shaft 6 until it contacts withdisk 34, causing the latter toclutch and rotate `simultaneously with said disk 28. As the gear 36 is apart of disk 34 the result is that it drives gear 44 with which it meshes, which action of gear 44, as will be understood, in turn' drives sprocket `42 'to actuate chain 46 and the mechanisms con-- l nected therewith. Upon the decrease of speed of wheel 7, spring overcomes the centrifugal forceof weights 12, withdrawing the same inwardly through 1links 13, 14, and as said links are connected to disk 28 they act to untwist cam 29, andthus release the driving contact between disks 28, 84, and permits said disk 84 with the connections associated therewith to cease operation until such time as sufficient speed is attained to throw the weights out again,.and which action, of course, causes the disks to become contacted, disk 28 and shaft 6, it being understood, rotating` regardless of the speed of said wheel. While I have stated that the action of the weighted arms influences the disk 28, this is only to the extent of bringing' it in contact with disk 34, and as disk 34 is the driven element, it in turn holds back or tends to retard disk 28, and this action consequently causes a wedging of the cam, or in other words, a climbing of cam 29upon Cam 26, and as said cams increase their camming action the driving pressure upon disk 34 by vdisk 28 is multii plied accordingly. With such action 'it 4will r be readily seen 'that the rotation of the driven elements is governed by the speed of wheel 7, and that the arrangement is eX- tremely sensitive to automatic instant adjustinent as the :speed varies.v

l claimas myy invention:

v1. The combination, with a self-feeder, of a crank-shaft, va'pulley thereon embodying a huh, a cam-faced collar secured to .mi said hub, a disk having a cam`-faced eX- tension engaging the cam on said collar,

a flanged hollow stud onsaid crank-shaft, a disk mounted on said stud and adapted to contact with lsaid first mentioned disk and having a driving element at its opposite end, and arms lon said pulley connected to said firstmentioned disk actuated by centrifugal force to move said. cam-disk into contact with said last mentioned disk.

- 2. The combination, in aspeed governor, of a crank-shaft having an offset portion, a flanged hollow stud abutting against said' offset shaft portion, a disk embodyingy a driving element mounted upon said stud, a pulley hub on said crank-shaft, a collar on said hub having a cam face at its end, a disk having a cam-faced extension engaging the cam on said collar, and centrifugally acting means for actuating one of said disks to contact with or separate from the other.

The combination, in a speed governor,

of a shaft, a wheel thereon, a cam secured to said wheel, a cam disk 'engaging said cam, a driven disk', land arms on'said wheel connected to said cam disk actuated bycentrifugal force to move said cam disk into' contact with said driven disk.

4. The combination, in a speed governor, of a shaft, a wheel thereon carrying a' clam, a disk having a cam `adapted to engage said wheel cam, spring-controlled means fconnected to said wheel and 'said disk for actu-l ating the latter by centrifugal force,`and means adapted to be contacted by said disk through the action of said spring-controlled means and driven thereby.

5. ln a speed governor, a combined driven disk and driving element, a driving disk having a cam thereon, a wheel embodying a cam', the latter engaging with said disk cam, and centrifugally acting means associated with said wheel and connected 'with said driving disk for inducing the latter to climb upon said wheel cam and Contact with said driven disk through said camming operation. 6. ln a speed governor, a shaft', a wheel thereon having a cam, a disk on said shaft having a cam engaging with said wheel cam, swinging arms on said wheel, links connecting said arms and disk for actuating the latter by the centrifugal force of said arms when said wheel is rotating, andl means adapted to be `contacte'dby said disk and driven thereby through the camming action of said cams yinduced by said swinging arms. 7 In a speed governor, a' shaft, a stud on said shaft, means for preventing the move# ment of vsaid stud longitudinally ofI said shaft, a combined driven disk and driving element on vsaid stud, a wheelhaving a hub mounted on'said stud-shaft, a driving disk embodying a cam mounted on said hub,` a cam connected with saidv wheel mounted on said huh andl engaging said disk cam, arms on said wheel, andlinks connecting said i arms and said driving disk whereby the disk on said shaft to be contacted with andV driven by said driving disk, and centrifugally acting means communicating with said wheel and said driving disk tov produce a camming effect of the latter upon'said wheel cam and be projected longitudinally 15 of said shaft to Contact with said driven disk.

In testimony whereof afiix my signature g in the presence oftwo witnesses.

` NORMAN'R. KRAUSE.

Witnesses: Y

E. yM. JOHNSON, J. A.VKWALSH. d 

